221147856

素因数分解:

$2^4\times 3^2\times {\mathrm{83}}^1\times {\mathrm{18503}}^1$

素因数の和:18600

約数の個数: 60

約数和(自身を含む): 626397408

約数和(自身を除く): 405249552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 83, 144, 166, 249, 332, 498, 664, 747, 996, 1328, 1494, 1992, 2988, 3984, 5976, 11952, 18503, 37006, 55509, 74012, 111018, 148024, 166527, 222036, 296048, 333054, 444072, 666108, 888144, 1332216, 1535749, 2664432, 3071498, 4607247, 6142996, 9214494, 12285992, 13821741, 18428988, 24571984, 27643482, 36857976, 55286964, 73715952, 110573928, 221147856]

約数ペア:

[(1, 221147856), (2, 110573928), (3, 73715952), (4, 55286964), (6, 36857976), (8, 27643482), (9, 24571984), (12, 18428988), (16, 13821741), (18, 12285992), (24, 9214494), (36, 6142996), (48, 4607247), (72, 3071498), (83, 2664432), (144, 1535749), (166, 1332216), (249, 888144), (332, 666108), (498, 444072), (664, 333054), (747, 296048), (996, 222036), (1328, 166527), (1494, 148024), (1992, 111018), (2988, 74012), (3984, 55509), (5976, 37006), (11952, 18503)]